What are the chances of getting a "strike-through" text formatting option?
The "How to do it" appears to be almost stupid-easy !!

This is copied from the phpbb site:

"To use any of the following custom BBCodes, navigate to the Posting => BBCodes section of the phpBB3 administration panel and click the "Add a new BBCode" button. Enter the respective code from below into the "BBCode usage" and "HTML replacement" boxes."